[Event "Osmium simul"] [Site "https://lichess.org/9P3UT2EN"] [Date "2019.02.16"] [White "Ideachess99"] [Black "Chibi975"] [Result "0-1"] [UTCDate "2019.02.16"] [UTCTime "16:44:36"] [WhiteElo "1289"] [BlackElo "1717"] [Variant "Standard"] [TimeControl "300+10"] [ECO "B10"] [Opening "Caro-Kann Defense: Two Knights Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c6 2. Nf3 d5 3. Nc3 { B10 Caro-Kann Defense: Two Knights Attack } dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. d4 Bd6 7. Be3 O-O 8. Bc4 Be6 9. Bxe6 fxe6 10. Qd2 Na6 11. c4?? { (0.54 → -8.74) Blunder. O-O was best. } (11. O-O b5 12. a4 Nc7 13. c3 Nd5 14. axb5 cxb5 15. Ra6 Qd7 16. Rfa1 Bc7 17. h3 Rfd8) 11... Bb4 12. Qxb4 Nxb4 13. Kd2 e5 14. Kc3 exd4+ 15. Bxd4 Qa5 16. Kb3 c5 17. Bc3 Rad8 18. Rhd1 Rxd1 19. Rxd1?! { (-27.31 → Mate in 1) Checkmate is now unavoidable. a3 was best. } (19. a3 Rxa1) 19... Qxa2# { Black wins by checkmate. } 0-1